Quantum-Si (QSI) Options Chain & Prices $1.90 -0.06 (-3.06%) Closing price 04:00 PM EasternExtended Trading$1.90 +0.01 (+0.26%) As of 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock QSI Put and Call Options List 1/15/2027 1/16/2026 10/17/2025 8/15/2025 8/8/2025 8/1/2025 7/25/2025 7/18/2025 7/11/2025 7/3/2025 Options Date Put and Call Options Put Options Call Options Options Type All In The Money Out of The Money Moneyness With Volume Without Volume All Volume Strike Price Min Strike Price Max Export to Excel ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades7/3/2025$2.00$0.124Put77301573(+25)129.94% (+18.97%)-0.575925147/3/2025$2.00$0.066Call6282261031105(+77)129.94% (+19.00%)0.43112783End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Transcat Options Allient Options Eyepoint Pharmaceuticals Options Standard BioTools Options Cytek Biosciences Options Aehr Test Systems Options Quanterix Options 908 Devices Options Seer Options Nautilus Biotechnology Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:QSI) was last updated on 7/1/2025 by MarketBeat.com Staff From Our PartnersHere's the last trade you should make before heading out for the weekend tomorrow.Make this one trade at 2:59 PM on Friday afternoon, and you'll thank me on Monday morning.Timothy Sykes | SponsoredTrump set to Boost Social Security Checks by 400%?If you collect—or plan to collect—Social Security, you need to see this. A new initiative tied to President...InvestorPlace | SponsoredGold prediction: $5,000/oz. or higher is comingThe perfect gold play right now? 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